Posterior distributions of the surface brightness fits of the dust continuum emission of the SGP38326 system, we fit the galaxies SGP38326-1 and SGP38326-2 simultaneously. We display the surface brightness at the effective radius in mJy/beam for the dust and mJy/beam km/s for the gas (I_e), the effective radius in kpc (R_eff), the galactic centre in pixels (x0, y0), the ellipticity (ϵ), and the position angle in degrees (PA). The best values shown are the median followed by the lower and upper errors defined by the 16th and 84th percentiles, respectively.